Home/CVE/cPanel before 71.9980.37 allows stored XSS in the WHM cPAddons installation interface (SEC-398).
CVE

CVE-2018-20899

cPanel before 71.9980.37 allows stored XSS in the WHM cPAddons installation interface (SEC-398).

cPanel before 71.9980.37 allows stored XSS in the WHM cPAddons installation interface (SEC-398).

MEDIUM · CVSS 6.1 EPSS 0.00301
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
▤

Affected Products & Versions

4
cpanel>= 61.9999.55 and < 62.0.47
cpanel>= 67.9999.64 and < 68.0.39
cpanel>= 69.9999.122 and < 70.0.43
cpanel>= 71.9980.30 and < 71.9980.37
▣

Scoring & Timeline

6.1
MEDIUM · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD01 Aug 2019 · 02:15 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://documentation.cpanel.net/display/CL/72+Change+LogProductRelease Notes
https://news.cpanel.com/cpanel-tsr-2018-0003-full-disclosure/Vendor Advisory
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